Home / 127,802.83-176,365.54-69,660.06

Finding the Fourth Proportional to 127,802.83, 176,365.54 and 69,660.06

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Solution

The fourth proportional to 127,802.83, 176,365.54 and 69,660.06 is: 96,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,802.83 : 176,365.54 = 69,660.06 : x
  2. Step 2: Convert to fraction form
    127,802.83/176,365.54 = 69,660.06/x
  3. Step 3: Cross multiply
    127,802.83x = 176,365.54 × 69,660.06
  4. Step 4: Simplify right side
    127,802.83x = 12,285,634,098.33
  5. Step 5: Solve for x
    x = 12,285,634,098.33/127,802.83
  6. Step 6: Final answer
    x = 96,129.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.